CVE-2026-37459

An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE…

High · published May 4, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
52.0
In the wild
Unconfirmed
What it is

An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00684 · 52.0th percentile
Published
2026-05-04T00:00Z
EPSS history
Timeline
  • 04 MAY 00:00Z
    An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE…
    cvelistv5